<template>
  <div>
    <!-- 商品三级分类 -->
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <!-- 分类面包屑 -->
            <li class="with-x" v-show="params.categoryName">
              {{ params.categoryName }}<i @click="delBread('category')">×</i>
            </li>
            <!-- 关键字面包屑 -->
            <li class="with-x" v-show="params.keyWord">
              {{ params.keyWord }}<i @click="delBread('keyword')">×</i>
            </li>
            <!-- 品牌面包屑 -->
            <li class="with-x" v-show="params.trademark">
              {{ params.trademark.split(":")[1]
              }}<i @click="delBread('trade')">×</i>
            </li>
            <!-- 属性面包屑 -->
            <li
              class="with-x"
              v-for="(value, index) in params.props"
              :key="index"
            >
              {{ value.split(":")[1] }}<i @click="delBread('attr', index)">×</i>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector @getTradeMark="getTradeMark" @getAttrs="getAttrs" />

        <!--details-->
        <div class="details clearfix">
          <!-- 排序 -->
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li :class="{ active: isOrder(1) }" @click="changeOrder('1')">
                  <a
                    >综合<span
                      v-show="isOrder(1)"
                      class="iconfont"
                      :class="{
                        'icon-down': isOrder('desc'),
                        'icon-up': isOrder('asc'),
                      }"
                    ></span
                  ></a>
                </li>
                <li :class="{ active: isOrder(2) }" @click="changeOrder('2')">
                  <a
                    >价格<span
                      v-show="isOrder(2)"
                      class="iconfont"
                      :class="{
                        'icon-down': isOrder('desc'),
                        'icon-up': isOrder('asc'),
                      }"
                    ></span
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <!-- 商品详情 -->
          <div class="goods-list">
            <ul class="yui3-g">
              <li
                class="yui3-u-1-5"
                v-for="(goods, index) in goodsList"
                :key="index"
              >
                <div class="list-wrap">
                  <div class="p-img">
                    <a @click="showDetail(goods.id)"
                      ><img v-lazy="goods.defaultImg"
                    /></a>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥ </em>
                      <i>{{ goods.price }}</i>
                    </strong>
                  </div>
                  <div class="attr">
                    <a target="_blank" href="item.html" :title="goods.title">{{
                      goods.title
                    }}</a>
                  </div>
                  <div class="commit">
                    <i class="command"
                      >已有<span>{{ goods.hotScore }}</span
                      >人评价</i
                    >
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 分页器 -->
          <Pagination
            :pageNo="params.pageNo"
            :pageSize="params.pageSize"
            :total="total"
            :continues="5"
            @turnToPage="turnToPage"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
//引入组件
import SearchSelector from "./SearchSelector/SearchSelector";
//引入数据
import { mapState, mapGetters } from "vuex";

export default {
  name: "Search",
  data() {
    return {
      //传给服务器参数
      params: {
        category1Id: "", //一级分类ID
        category2Id: "", //二级分类ID
        category3Id: "", //三级分类ID
        categoryName: "", //分类名字
        keyWord: "", //关键字
        order: "1:desc", //排序
        pageNo: 1, //分页器：当前第几页
        pageSize: 3, //每页展示数据量
        props: [], //属性参数
        trademark: "", //品牌
      },
    };
  },
  components: {
    SearchSelector,
  },
  //组件挂载完毕之前，将query参数和params参数合并传递给params
  beforeMount() {
    Object.assign(this.params, this.$route.params, this.$route.query);
  },
  mounted() {
    //mounted只会在组件挂载完成时调用一次，但请求是根据参数返回相应数据，因此需要通过函数调用来获取参数进行服务器请求
    //this.$store.dispatch("searchInfo", this.params);
    this.getReqData();
  },
  computed: {
    ...mapState({
      searchInfo: (state) => state.search.searchInfo,
    }),
    ...mapGetters(["goodsList", "total","totalPages"]),
  },
  methods: {
    //获取服务器数据
    getReqData() {
      this.$store.dispatch("searchInfo", this.params);
    },

    // 删除面包屑
    delBread(type, index) {
      let params = this.$route.query;
      let query = this.$route.query;
      if (type == "category") {
        this.params.categoryName = undefined;
        this.params.category1Id = undefined;
        this.params.category2Id = undefined;
        this.params.category3Id = undefined;
        query = undefined;
      } else if (type == "keyword") {
        this.params.keyWord = undefined;
        //通知兄弟组件header将关键字清除
        this.$bus.$emit("clearKeyWord");
        params = undefined;
      } else if (type == "trade") {
        this.params.trademark = "";
      } else if (type == "attr") {
        this.params.props.splice(index, 1);
      }
      
      //再发请求
      this.getReqData();
      //更新路径
      this.$router.push({
        name: "searchName",
        params: params,
        query: query,
      });
    },

    // 自定义事件回调
    //点击品牌回调
    getTradeMark(trademark) {
      this.params.trademark = `${trademark.tmId}:${trademark.tmName}`;
      this.getReqData();
    },
    //点击属性回调
    getAttrs(value, attrs) {
      //整合参数
      let attribute = `${attrs.id}:${value}:${attrs.attrName}`;
      //数组去重
      if (this.params.props.indexOf(attribute) == -1) {
        this.params.props.push(attribute);
        //发请求
        this.getReqData();
      }
    },
    //点击页码跳转回调
    turnToPage(page) {
      this.params.pageNo = page;
      this.getReqData();
    },

    //排序
    //背景色显示(综合|价格)
    isOrder(index) {
      return this.params.order.indexOf(index) != -1;
    },
    //更换排序方式
    changeOrder(index) {
      //分隔字符串
      let originParams = this.params.order.split(":");
      //原始索引
      let originIndex = originParams[0];
      //原始排序方式
      let originOrder = originParams[1];
      //排序方式取反
      let changeOrder = originOrder == "desc" ? "asc" : "desc";
      //排序方式,索引改变后默认是降序，否则取反
      let order = originIndex != index ? "desc" : changeOrder;
      //若在原始索引下进行点击，将排序方式取反，否则维持原本的排序方式
      this.params.order = `${index}:${order}`;
      this.getReqData();
    },

    //跳转到详情页面
    showDetail(id){
      //更新路径
      this.$router.push({
        name: "detailName",
        params: {
          skuId:id
        }
      });
    }
  },
  watch: {
    //监听路由参数变化，发生变化，就重新合并参数，向服务器发请求
    $route() {
      //请求发送完成，需要将id置空，避免参数合并，影响下一次请求数据，置空操作设置为undefined，向服务器发请求时，不会传给服务器，节省带宽
      this.params.category1Id = undefined;
      this.params.category2Id = undefined;
      this.params.category3Id = undefined;
      Object.assign(this.params, this.$route.params, this.$route.query);
      this.getReqData();
    },
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }

      .page {
        width: 733px;
        height: 66px;
        overflow: hidden;
        float: right;

        .sui-pagination {
          margin: 18px 0;

          ul {
            margin-left: 0;
            margin-bottom: 0;
            vertical-align: middle;
            width: 490px;
            float: left;

            li {
              line-height: 18px;
              display: inline-block;

              a {
                position: relative;
                float: left;
                line-height: 18px;
                text-decoration: none;
                background-color: #fff;
                border: 1px solid #e0e9ee;
                margin-left: -1px;
                font-size: 14px;
                padding: 9px 18px;
                color: #333;
              }

              &.active {
                a {
                  background-color: #fff;
                  color: #e1251b;
                  border-color: #fff;
                  cursor: default;
                }
              }

              &.prev {
                a {
                  background-color: #fafafa;
                }
              }

              &.disabled {
                a {
                  color: #999;
                  cursor: default;
                }
              }

              &.dotted {
                span {
                  margin-left: -1px;
                  position: relative;
                  float: left;
                  line-height: 18px;
                  text-decoration: none;
                  background-color: #fff;
                  font-size: 14px;
                  border: 0;
                  padding: 9px 18px;
                  color: #333;
                }
              }

              &.next {
                a {
                  background-color: #fafafa;
                }
              }
            }
          }

          div {
            color: #333;
            font-size: 14px;
            float: right;
            width: 241px;
          }
        }
      }
    }
  }
}
</style>